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PACIFIC SCIENCE, Vol. XXI, April 1967 
Fig. 1. Side view (A) of first zoeal stage of Cyclograpsus cinereus Dana. B, Ventral view of abdomen; C, 
antennule ; D, antenna; E, mandible; F, maxillule ; G, maxilla; H, first maxilliped; I, second maxilliped. 
plus 2 setae and a spine projects from the pro- 
topodite (Fig. 2, F). Scaphognathite of maxilla 
(Fig. 2, G) has 5 proximal and 3 distal plu- 
mose setae. Setation of the exopodite of the 
first and second maxillipeds has increased to 6 
(Fig. 2, H and /). Setation of the endopodite 
of the first maxilliped is now 2, 2, 1,2, 5, and of 
the second maxilliped, 0,1,6. 
third zoea (Fig. 3, A-I) : Small spines on 
the ventrolateral borders of the carapace have 
decreased to 5 and setae increased to 10 (Fig. 
3, A). The sixth abdominal segment is added 
and the number of telson spines has increased 
to 8 on the inner surface (Fig. 3, B ) . Changes 
in setation of the appendages are limited to the 
following: 1 small spine is added on the lateral 
margin of basopodite of maxillule (Fig. 3, F) ; 
scaphognathite of maxilla has 8 proximal and 
6 distal plumose setae and each lobe of baso- 
podite bears 5 setae (Fig. 3, G) ; 1 seta has 
been added to lateral margin of coxopodite of 
maxilla (Fig. 3, G). Setation of exopodite of 
first and second maxillipeds has increased to 8 
(Fig. 3, H and I). Setation of endopodite of 
first maxilliped is now 2, 2, 2, 2, 5. 
fourth zoea (Fig. 4, A-I) : Small spines on 
ventrolateral borders of carapace decreased to 
4 and setae increased to 14. Rudiments of 
pereiopods present under carapace (Fig. 4, A). 
Dorsal surface of first abdominal segment now 
